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Process settings once in SettingGraph for better performance. 

Running 'inspect tree sbt/update' on sbt goes from 27 s to <1 s.
Review by @eed3si9n.
This commit is contained in:
Mark Harrah 2013-10-18 19:56:40 -04:00
parent 567551696d
commit 11b0c7b3ff
1 changed files with 15 additions and 11 deletions
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26
main/src/main/scala/sbt/SettingGraph.scala
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@ -13,18 +13,22 @@ object SettingGraph
def apply(structure: BuildStructure, basedir: File, scoped: ScopedKey[_], generation: Int)
(implicit display: Show[ScopedKey[_]]): SettingGraph =
{
val key = scoped.key
val scope = scoped.scope
val definedIn = structure.data.definingScope(scope, key) map { sc => display(ScopedKey(sc, key)) }
val cMap = flattenLocals(compiled(structure.settings, false)(structure.delegates, structure.scopeLocal, display))
// val related = cMap.keys.filter(k => k.key == key && k.scope != scope)
val depends = cMap.get(scoped) match { case Some(c) => c.dependencies.toSet; case None => Set.empty }
// val reverse = reverseDependencies(cMap, scoped)
SettingGraph(display(scoped), definedIn,
Project.scopedKeyData(structure, scope, key),
key.description, basedir,
depends map { (x: ScopedKey[_]) => apply(structure, basedir, x, generation + 1) })
def loop(scoped: ScopedKey[_], generation: Int): SettingGraph =
{
val key = scoped.key
val scope = scoped.scope
val definedIn = structure.data.definingScope(scope, key) map { sc => display(ScopedKey(sc, key)) }
val depends = cMap.get(scoped) match { case Some(c) => c.dependencies.toSet; case None => Set.empty }
// val related = cMap.keys.filter(k => k.key == key && k.scope != scope)
// val reverse = reverseDependencies(cMap, scoped)
SettingGraph(display(scoped), definedIn,
Project.scopedKeyData(structure, scope, key),
key.description, basedir,
depends map { (x: ScopedKey[_]) => loop(x, generation + 1) })
}
loop(scoped, generation)
}
}